package com.huadao.cart_ccs.common.deviceController;

import com.huadao.cart_ccs.common.ParamsPreferences;

import java.util.Date;

public class CO2Controller extends BaseEnvironmentController {

    //误差
    private final double tolerance=0.2;

    private static final CO2Controller ourInstance = new CO2Controller();

    public static CO2Controller getInstance() {
        return ourInstance;
    }

    private CO2Controller() {
    }

    @Override
    public double getTolerance() {
        return tolerance;
    }
}
